Why does Facebook allow Russian's meddling in our elections to purchase ads but not vape shops?

Seems like Facebook values the business of Russian meddlers far more than the lives of smokers.

Russian ads from the WaPo... via Google Image Search

Surprisingly the Russian's are merely (top center) repeating what Sanders actually said as reported The Hill (for example):

"Do I have a problem when a sitting secretary of State and a foundation run by her husband collects many, many dollars from foreign governments — governments which are dictatorships?"Yeah, I do have a problem with that. Yeah, I do," Sanders said on CNN's "State of the Union."